A simple puzzle to get your brain ticking. You have all played "Naughts and Crosses" as a child well this is the grown up version.
The rules are different : No more than two crosses or naughts are allowed to be adjacent to one another.
equal number of crosses and naughts in each row and column.
each row is unique and so is each column.
Ignore the ABCDE and the blue rectangles for the puzzle they are for finding the cordinates.
The cache can be found at S 46 2A. BE(D+E) E168 2(A - D - 1) . (B - E) (A - C) B
where ABCDE are the number of crosses in each of the rectangles.